Lennart Gillberg (1954) is a Swedish entrepreneur with extensive experience in marketing, business development and technology companies. He co-founded the payment services provider Netgiro AB in 1998 and served as its CEO until 2006. Netgiro was acquired by Digital River in 2008. Since then, Lennart has been involved in several technology start-ups as a founder, investor and board member. He has been a board member of SpectrumOne since June 2026.
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Theodor Gumpert (1991) has been CFO of SpectrumOne since August 2020 and has worked as a business economist at Nya Ekonomikompetens Karlstad AB since January 2019. Theodor has a master’s degree in accounting and financial management from Handelshögskolan at Karlstad University and started his career at the auditing firm Grant Thornton.
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